About us
The Courtney DNA Project has allowed researchers to accomplish many goals unavailable without YDNA testing.
There were thirty Courtney families living in the U.S. with children born previous to 1800. With the Great Migration during the 19th and 20 century over 1,000 Courtneys came into the U.S. including many from Ireland, Scotland and England
American Courtney Ancestors - prior to 1800
FamilyTreeDNA began YDNA testing in 2000. A major advance was in 2013 with the addition of the Big Y, and an emphasis on SNP mutations. In 2020 the "Discover" feature was introduced which allows everyone to look up haplogroups and discover their families origins, migrations and time tree.
A short list of just a few of the amazing discoveries made possible by YDNA testing.
1. Thomas Courtney b 1728 Ireland was from a gallowglass family from Scotland and had Viking origins.
2. The Courtneys of Culpeper County, VA had roots in Cornwall, England.
3. The Cotneys of SC were closely related to the Courtneys of Quebec, Canada.
4. New parentage for Robert of Onslow d 1751 and his father's origins in DE.
4. The two James Courtneys of Maryland and Virginia.
5. Robert the Emigrant 1640-1684 shown to have Irish origins and a close relationship with the Cournanes of County Kerry, Ireland.
6. Two Courtneys who migrated from County Monaghan, Ireland connect in 1500 and descend from the Three Collas, High King of Ireland, in the early 300's A.D.
7. Five Courtneys who descend from Niall of the Nine Hostages, High King of Ireland, in ca. 400 A.D.
8. Courtney descendants of the Powderham Courtenays, descendants of the Earls of Devon and Athon de Courtney living 1010 A.D. in France.